Hello,I'm a new beginner using my laptop.pentium3, I'm also learn bcoz of myself study.. my question is, why sometimes ask me the program to reboot, but I don't know how,also isn't OK to download any program I like.. how to check my status if full.. thanks

When you install a program for the first time or update a program, sometimes the computer will need to be restarted to allow the changes to take effect.